<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8"/>
    <script src="js/jquery-3.1.1.min.js"></script>
    <script>
        $(document).ready(function () {
            $("#submit").click(function () {

                var username = $("#user").val();

                var password = $("#password").val();


                alert("username:" + username + " password: " + password);


                console.log("用户名：", username);
                console.log("密码", password);


                $.ajax({
                    url: "/hhhh/test",//请求的路径

                    data: {"username": username, "password": password},//发送给服务器的数据

                    type: "POST",//请求方式

                    dataType: "json",//预期服务器返回的数据类型

                    success: function (data) {
                        console.log("服务器返回的数据：", data);

                        if (data.status == 0) {
                            alert("登录成功！");
                            //跳转到指定的页面了
                            //window.location.href="list.html";
                        } else {
                            alert("登录失败，密码或者用户名错误！");
                            $("#user").val("");
                            $("#password").val("");
                        }
                    }
                });
            });
        });
    </script>
</head>

<body>
<div>
    <label for="user">用户名：</label>
    <input type="text" name="username" id="user" placeholder="请输入用户名"/>
</div>

<div>
    <label for="password">密码：</label>
    <input type="password" name="password" id="password" placeholder="请输入密码"/>
</div>

<div>
    <input id="submit" type="button" value="登录">
</div>
</body>
</html>